Antenna arrangement for a cellular communication terminal

Details Antenna arrangement for a cellular communication terminal Antenna arrangement for a cellular communication terminal

2007-11-27

2007-11-27

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S745000, C343S846000, C343S876000

Reexamination Certificate

active

11208392

ABSTRACT:
An antenna arrangement operable to transmit/receive in a first communications band and a second communications band, including a ground plane; a first conductive element for transmitting/receiving; a second conductive element separate from the first conductive element and the ground plane and having a first portion proximal to, but separated from the first conductive element and a second portion proximal to, but separated from the ground plane; and a switch element for connecting/disconnecting the second conductive element to the ground plane, wherein, the first conductive element, when the switch element disconnects the second conductive element from the ground plane, is operable to transmit/receive in a first communications band and is inoperable to transmit/receive in a second communications band and the first conductive element, when the switch element disconnects the second conductive element from the ground plane, is operable to transmit/receive in the second communications band and inoperable to transmit/receive in the first communications band.

REFERENCES:
patent: 6765536 (2004-07-01), Phillips et al.
patent: 7099690 (2006-08-01), Milosavljevic
patent: 2002/0105471 (2002-08-01), Kojima et al.
patent: 2004/0041733 (2004-03-01), Milosavljevic
patent: 1396906 (2004-03-01), None
patent: 2373637 (2002-09-01), None
patent: 2002/232224 (2002-08-01), None
patent: 2004 128660 (2004-04-01), None
patent: WO-2005/069439 (2005-07-01), None
Product Brochure, “NEC RFIC Switches”, www.cel.com/pdf/marketsheets/switches.pdf, no daed provided.

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